184 ANIMALCULA OF INFUSIONS. It^ 



raderiflics, forcibly corroborating their animality> 

 failed to occur in the compofition of this work > 

 partly deduced from various accidents to which 

 they are fubjeft, like other animals, when put in 

 nmilar fituations. 



For the reader's convenience, I fhall bring my 

 different experiments briefly into view : from the 

 recapitulation, he will be more enabled to under- 

 ftand the ufe of comparifon, which, as he already 

 knows, conftitutes no fmall portion of the work. 



Too great heat deflroys animal life : 1 1 1 ° is 

 fatal to the tadpoles of frogs, and to frogs them- 



felves, 



or rather the defence of truth. Impre/To hue ufque libello 

 in manus venit folium 30 novel. Lett. Gottingenf. 1772, 

 ubi clarifl". Guettard anirnalcula infuforia meras vefciculas 

 farlnaceas arguere indicatur. Accerfito libro (nnemoires 

 far difTerentes parties des Sciences et Arts, torn. 2. Pari3 

 1770) avidiffimeque, quae de his agunt perleftis, et quafi 

 devoratis, vultu tamen continue fubridente non potui, non- 

 admirari dodiffimi viri temeritatem, argumentis, quae folo* 

 ingenio debentur (veftigium enim obfervationis ulliu3 

 infuforii ab ipfo inftitutae nullum extat) tentandi refuta- 

 tionem eorum, quae meris obfervationibus innituntur^ 

 Nee abfque apparent! fucceffu, licet enim meliora clarifT* 

 Spallanzani argumenta pro animal Itate infuforiorum pug-* 

 nantia in aream producat, cuilibet leftori, obfervationuni" 

 aeque ignaro, ac ipfe, fucum faeit, quern tamen unaquae^ 

 que infuforiorum contemplatio difpellet. In re enim na* 

 turali non ingenio, fed obfervatione vivitur. 



